//
//  CCQVisitorView.swift
//  NEWweibo
//
//  Created by 神威 on 16/9/20.
//  Copyright © 2016年 ccq. All rights reserved.
//

import UIKit

//定义代理协议
protocol CCQVisitorViewDelegate:NSObjectProtocol{
    func didSelectedLogin()
}

//访客视图
class CCQVisitorView: UIView {
    
    //需要执行的闭包
    var loginClosure:(()->())?
    
    //定义代理对象
    weak var delegate:CCQVisitorViewDelegate?
    
    
    //懒加载
    
    //旋转视图
    private lazy var cycleImageView: UIImageView  = UIImageView(image:UIImage(named:"visitordiscover_feed_image_smallicon"))
    
    //罩层
    private lazy var maskImageView:UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    
    //添加主页
    private lazy var iconImageView:UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    
    //未登录信息
    private lazy var messageLabel:UILabel = {
        let label = UILabel()
        label.text = "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜"
        label.font = UIFont.systemFont(ofSize: 13)
        label.textColor = UIColor.darkGray
        //居中
        label.textAlignment = .center
        //多行显示
        label.numberOfLines = 0
        
        
       return label
    }()
    
    //登录按钮
    private lazy var loginButton:UIButton = {
        let button = UIButton()
        button.addTarget(self, action: #selector(loginAction), for: .touchUpInside)
        button.setTitle("登录", for: .normal)
        button.setTitleColor(UIColor.darkGray, for: .normal)
        button.titleLabel?.font = UIFont.systemFont(ofSize: 14)
        button.setBackgroundImage(UIImage(named:"common_button_white_disable"), for: .normal)
        button.adjustsImageWhenHighlighted = false
        
        return button
    }()
    
    //注册按钮
    private lazy var registerButton:UIButton = {
        let button = UIButton()
        button.addTarget(self, action: #selector(loginAction), for: .touchUpInside)
        button.setTitle("注册", for: .normal)
        button.setTitleColor(UIColor.darkGray, for: .normal)
        button.titleLabel?.font = UIFont.systemFont(ofSize: 14)
        button.setBackgroundImage(UIImage(named:"common_button_white_disable"), for: .normal)
        //去掉高亮效果
        button.adjustsImageWhenHighlighted = false
        
        
        return button
    }()
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        
        setupUI()
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    private func setupUI(){
        backgroundColor = UIColor(white:237 / 255 , alpha:1)
        
        addSubview(cycleImageView)
        addSubview(maskImageView)
        addSubview(iconImageView)
        addSubview(messageLabel)
        addSubview(loginButton)
        addSubview(registerButton)
        cycleImageView.snp_makeConstraints { (make) in
            make.center.equalTo(self)
        }
        
        maskImageView.snp_makeConstraints { (make) in
            make.center.equalTo(cycleImageView)
        }
        iconImageView.snp_makeConstraints { (make) in
            make.center.equalTo(cycleImageView)
        }
        messageLabel.snp_makeConstraints { (make) in
            make.centerX.equalTo(cycleImageView)
            make.top.equalTo(cycleImageView.snp_bottom)
            make.width.equalTo(244)
        }
        loginButton.snp_makeConstraints { (make) in
            make.leading.equalTo(messageLabel.snp_leading)
            make.top.equalTo(messageLabel.snp_bottom).offset(10)
            make.size.equalTo(CGSize(width:100,height:35))
        }
        registerButton.snp_makeConstraints { (make) in
            make.trailing.equalTo(messageLabel.snp_trailing)
            make.top.equalTo(loginButton)
            make.size.equalTo(loginButton)
        }
    }
    
    
    //修改访客视图信息
    func updateVisitorInfo(message:String?,imageName:String?) {
        if let msg = message,let imageName = imageName {
            //如果代码执行到这，表示消息，发现，我的控制器
            messageLabel.text = msg
            iconImageView.image = UIImage(named: imageName)
            cycleImageView.isHidden = true
        }else{
            
            startAnimaction()
        }
    }
    //开启动画
    private func startAnimaction(){
        let animaction = CABasicAnimation(keyPath: "transform.rotation")
        animaction.toValue = 2 * M_PI
        //时长
        animaction.duration = 20
        //动画执行的次数
        animaction.repeatCount = MAXFLOAT
        //失去焦点不让其释放
        animaction.isRemovedOnCompletion = false
        
        cycleImageView.layer.add(animaction, forKey: nil)
}
    
    @objc private func loginAction(){
        
        print("这是首页登录按钮")
        
        //执行闭包
        loginClosure?()
        
        //指定代理对象
        delegate?.didSelectedLogin()
    }


}
